6415541312 has 28 divisors (see below), whose sum is σ = 12737133276. Its totient is φ = 3206184960.

The previous prime is 6415541309. The next prime is 6415541329. The reversal of 6415541312 is 2131455146.

It can be written as a sum of positive squares in 2 ways, for example, as 752075776 + 5663465536 = 27424^2 + 75256^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111512 + ... + 158952.

It is an arithmetic number, because the mean of its divisors is an integer number (454897617).

Almost surely, 2^6415541312 is an apocalyptic number.

It is an amenable number.

6415541312 is a deficient number, since it is larger than the sum of its proper divisors (6321591964).

6415541312 is a wasteful number, since it uses less digits than its factorization.

6415541312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49566 (or 49556 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 6415541312 is about 80097.0743036224. The cubic root of 6415541312 is about 1858.1371598737.

Adding to 6415541312 its reverse (2131455146), we get a palindrome (8546996458).

The spelling of 6415541312 in words is "six billion, four hundred fifteen million, five hundred forty-one thousand, three hundred twelve".